Home / 6,076.90-8,386.12-3,424.32

Finding the Fourth Proportional to 6,076.90, 8,386.12 and 3,424.32

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Solution

The fourth proportional to 6,076.90, 8,386.12 and 3,424.32 is: 4,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.90 : 8,386.12 = 3,424.32 : x
  2. Step 2: Convert to fraction form
    6,076.90/8,386.12 = 3,424.32/x
  3. Step 3: Cross multiply
    6,076.90x = 8,386.12 × 3,424.32
  4. Step 4: Simplify right side
    6,076.90x = 28,716,758.44
  5. Step 5: Solve for x
    x = 28,716,758.44/6,076.90
  6. Step 6: Final answer
    x = 4,725.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.